Home / 3,779,143,400.20-5,668,715,100.30-1,325,161,438.60

Finding the Fourth Proportional to 3,779,143,400.20, 5,668,715,100.30 and 1,325,161,438.60

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Solution

The fourth proportional to 3,779,143,400.20, 5,668,715,100.30 and 1,325,161,438.60 is: 1,987,742,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,143,400.20 : 5,668,715,100.30 = 1,325,161,438.60 : x
  2. Step 2: Convert to fraction form
    3,779,143,400.20/5,668,715,100.30 = 1,325,161,438.60/x
  3. Step 3: Cross multiply
    3,779,143,400.20x = 5,668,715,100.30 × 1,325,161,438.60
  4. Step 4: Simplify right side
    3,779,143,400.20x = 7,511,962,657,327,090,688
  5. Step 5: Solve for x
    x = 7,511,962,657,327,090,688/3,779,143,400.20
  6. Step 6: Final answer
    x = 1,987,742,157.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.